In Java programming, the keyword used to implement an interface in a class is:Question 4Answera.usesb.extendsc.requiresd.implements

Question Analysis

The question asks about the keyword used in Java to implement an interface in a class.

Relevant Concepts

In Java programming, when a class wants to adhere to an interface, it uses a specific keyword. Interfaces are essentially a contract that classes agree to fulfill, and the correct keyword allows this contract to be implemented.

Answer Verification

The options provided in the question are:

1. a. uses
2. b. extends
3. c. requires
4. d. implements

Analyzing Keyword Options

1. uses - This is not a valid Java keyword for implementing an interface.
2. extends - This keyword is used for inheriting classes, not for implementing interfaces.
3. requires - This is not a Java keyword.
4. implements - This is the correct keyword used to implement an interface in a class.

Final Answer

d. implements is the keyword used to implement an interface in a class in Java.